Abstract: Provided is a negative pressure air-seal induced system for controlling the environment of pipe jacking operation, including a turbulent airflow supply device provided at a certain distance from a tunnelling head and located in a tool pipe, wherein the turbulent airflow supply device forms an air curtain sealing structure at a certain angle with respect to the tunnelling head, the airflow rebounds and swirls between the air curtain and the tunnelling head to form an air turbulence vortex, so that the toxic and harmful gases are fully stirred and mixed to form a steady ascending airflow; and an exhaust device provided in the tool pipe, wherein a first air vent of the exhaust device is located between the tunnelling head and the turbulent airflow supply device to collect and receive the toxic and harmful gases, and a second air vent is located above ground to discharge the toxic and harmful gases off-site.

Abstract: Provided are a panoramic stitching method for infrared images of a wind turbine blade, a device, a storage medium, and a product. The stitching method includes: performing coarse registration on each frame of visible image and infrared image; separately performing background subtraction on a coarsely-registered visible image and a coarsely-registered infrared image to obtain a foreground mask visible image, a foreground mask infrared image, a background-subtracted blade visible image, and a background-subtracted blade infrared image; performing fine registration on the foreground mask visible image and the foreground mask infrared image to obtain a relative displacement; stitching a plurality of frames of blade visible images to obtain a pixel increment; calculating a pixel increment when two adjacent frames of blade infrared images are stitched; and stitching two corresponding adjacent frames of background-subtracted blade infrared images, to obtain an infrared panoramic image of the wind turbine blade.

Abstract: The application provides a dust collecting mechanism, a car air purifier and a fan, and relates to the technical field of air purification. The dust collecting mechanism includes a generator assembly including a generator holder, a generator plate and a generator filament, the generator plate and the generator filament being arranged in a spaced and staggered manner inside the generator holder; a collector assembly including a collector holder, a repeller plate and a collector plate, the repeller plate and the collector plate being arranged in a spaced and staggered manner inside the collector holder. The generator holder is detachably connected with the collector holder, and the collector plate is connected and conducted with the generator filament through magnetic adsorption, so that they can be connected to the power supply together, thereby enabling wireless conduction between the collector assembly and the generator assembly, simplifying the circuit structure.

Abstract: Smart glasses include a lens frame and frame temples and are designed to provide a basically constant clamping force for users with different head widths. The frame temple includes a frame temple body and a coil spring adjustment part, the coil spring adjustment part includes a coil spring, a first end of the coil spring is connected to the lens frame, and a second end of the coil spring is connected to the frame temple body. The lens frame and the frame temple body are connected to each other through the coil spring, so that a working area of the coil spring when the frame temple body is expanded outward is set to be within a range in which an elastic force approaches a constant deformation amount by using an elastic force characteristic of the coil spring.

Abstract: A system is configured to segment instances of objects in a pseudo-image. The pseudo-image can be generated from a 3D image coupled to a vehicle. The system can receive the pseudo-image, which can include multiple sections. The system can determine an object classification for a section and determine an instance portion classification for the section. The system can group the section with another section based on the object classification and the instance portion classification. The grouping can correspond to an instance of an object in the image. The system can use the grouping to navigate the vehicle.

Abstract: An industrialized protein production system using carbon-containing industrial gas includes a bacteria preparation system, a raw gas purification system, a water purification system, a bacteria separation system and a protein preparation system, wherein the bacteria preparation system is respectively communicated with the raw gas purification system, the water purification system and the bacteria separation system, and the protein preparation system is communicated with the bacteria separation system. By purifying the raw gas and the raw water and removing impurities from the raw gas and competing bacteria in the raw water, excellent raw materials and environment are provided for bacterial reproduction, which enable the raw gas to have high-efficiency fermentation, thereby increasing the yield of proteins.

Abstract: Systems and methods for detecting one or more approaching vehicles include one or more processors and an infrastructure camera operable to capture one or more images of surroundings of an ego vehicle. The surroundings include a ramp, one or more lanes of a freeway, and the one or more approaching vehicles, and the ramp and the lanes share at least one merging point. The one or more processors operable to transform the one or more images of surroundings to a bird's eye view of the surroundings, generate a static segmentation map and one or more dynamic objects in the static segmentation map based on the bird's eye view, predict a lane occupancy of the ramp and the lanes based on range estimation of the ego vehicle and the one or more dynamic objects, and transmit information about the predicted lane occupancy to the ego vehicle.

Abstract: Embodiments of the present disclosure disclose an image generation method and device. A specific implementation manner of the method includes: acquiring an image of a target moving object, wherein limb parts of the target moving object are presented in the image; inputting the image to a pre-trained detection model to obtain an output result for indicating position distribution of all limb parts, presented in the image, in a preset limb part set; generating thermodynamic images corresponding to all the limb parts based on the output result; and superimposing the generated thermodynamic images to regional positions, corresponding to all the limb parts, in the image to generate an image superimposed with the thermodynamic images.

Abstract: A display device and a display apparatus are provided by the present disclosure. A curved portion of the cover plate of the display device includes a first point, when a first virtual normal line perpendicular to a surface of the curved portion where the first point is located extends toward a display area, the first virtual normal line does not intersect with the light-shielding portion adjacent to the first point and intersects with the display area. Therefore, a non-display area is capable of having a same forward light output as the display area, allowing users to experience a narrower border or even borderless visual experience when viewing the display device.

Abstract: An optical camera lens assembly comprising seven lenses, where at least one of the first lens to the fourth lens has a negative refractive power; a plurality of spacing elements, comprising a first spacing element disposed on an image-side surface of the first lens and a second spacing element disposed on an image-side surface of the second lens; and a lens barrel, for accommodating the imaging lens group and the plurality of spacing elements; where, radii of curvature of the object-side (R1) and image-side (R2) surfaces of the first lens, and a radius of curvature R3 of an object-side surface of the second lens satisfy: R2/R3>R1/R2>0; and an inner diameter d1s of an object-side surface of the first spacing element, a center thickness CT1 of the first lens, an outer diameter D2m of an image-side surface of the second spacing element, and an air spacing T23 satisfy: 9<d1s/CT1+D2m/T23<26.

Abstract: A bus anomaly detecting method, processing method, apparatus, system, device, and medium. The bus anomaly detecting method includes: at an interface for connecting a bus, activating a detection state in response to an access initiating apparatus sending an access request to an access receiving apparatus so as to, in the detection state, perform anomaly detection on response signal fed back by the access receiving apparatus for each access request, and block an interruption signal sent by the access initiating apparatus; in response to a response signal corresponding to an access request having an anomaly, terminating the detection state, recording bus anomaly information, and sending an interruption signal; and in a case where the response signal corresponding to each access request sent by the access initiating apparatus is received and has no anomaly, terminating the detection state to stop blocking the interruption signal sent by the access initiating apparatus.

Abstract: Among other things, techniques for detecting objects in the environment surrounding a vehicle are described. A computer system is configured to receive a set of measurements from a sensor of a vehicle. The set of measurements includes a plurality of data points that represent a plurality of objects in a 3D space surrounding the vehicle. The system divides the 3D space into a plurality of pillars. The system then assigns each data point of the plurality of data points to a pillar in the plurality of pillars. The system generates a pseudo-image based on the plurality of pillars. The pseudo-image includes, for each pillar of the plurality of pillars, a corresponding feature representation of data points assigned to the pillar. The system detects the plurality of objects based on an analysis of the pseudo-image. The system then operates the vehicle based upon the detecting of the objects.

Abstract: An optical device having a frequency shifter, the frequency shifter having an optical component having a phase modulator having a silicon material substrate, a buried oxide layer disposed on the silicon material substrate, a silicon waveguide disposed on the buried oxide layer, wherein the silicon waveguide is configured to guide a light, and a pair of electrodes disposed on the silicon waveguide, wherein the phase modulator is configured to change the phase of the light passing through it, and an electronic drive circuit in electrical communication with the phase modulator such that the phase change is linearly proportional to time. The disclosed optical device is configured to provide optical frequency shifting capabilities to and be integrated within silicon photonics-based devices, wherein the disclosed optical device is configured to facilitate this frequency shifting capability while being compact and having a low cost.

Abstract: A boron-sulfur-codoped porous carbon material and a preparation method is disclosed. The boron-sulfur-codoped porous carbon material includes a porous carbon, and B and S doped in the surface and pores of the porous carbon; where B has a doping content of 5.56 wt. % to 7.85 wt. %, and S has a doping content of 0.90 wt. % to 1.55 wt. %. Test results of examples show that the boron-sulfur-codoped porous carbon material has high doping contents of B and S, and abundant pores; in a three-electrode system, the material shows a maximum specific capacitance of 168 F·g?1 to 290.7 F·g?1 at 0.5 A·g?1; after the material is assembled into a symmetrical supercapacitor, the supercapacitor has an ultra-high energy density of 11.3 Wh·kg?1 to 16.65 Wh·kg?1 in a neutral electrolyte system, and has a capacitance retention rate of 97.09% to 100.67% after 10,000 life tests.

Abstract: An optical imaging lens assembly, including: an imaging lens group, consisting of a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens arranged in sequence from an object side to an image side along an optical axis, where the sixth lens has at least one inflection point on an image-side surface; a plurality of spacing elements, including a first spacing element disposed between the first lens and the second lens, a second spacing element disposed between the second lens and the third lens, a third spacing element disposed between the third lens and the fourth lens and a fifth spacing element disposed between the fifth lens and the sixth lens; and a lens barrel.

Abstract: A shoe box lamp includes a first shell provided with a plurality of installation positions; a second shell detachably connected to one side of the first shell; a light source fixedly installed between the first shell and the second shell; and a lens provided on one side of the light source close to the second shell. The lens is configured to be adjusted between the plurality of installation positions; and when the lens is in different installation positions, light from the light source is configured to emit different light spots through the lens.

Abstract: System, method, and various embodiments for a chatbot event generation system are described herein. An embodiment operates by receiving a request to create an event, and identifying a set of parameters associated with generating the event. A first subset of parameters as provided with the request are identified. A prompt for a large language model (LLM) is generated, and a second subset of parameters is received from the LLM. The event is generated based on the first subset of parameters provided with the request and the second subset of parameters provided by the LLM. The event is detected and an additional action is performed responsive to the detecting the event.

Abstract: Provided in the disclosure a method for content recommendation, comprising: determining a plurality of sets of candidate recommended content from a content library utilizing a plurality of content screening strategies, where the plurality of content screening strategies are based on different content ranking criteria; determining, using a trained machine learning model, a recommendation score of each piece of candidate recommended content in the plurality of sets of candidate recommended content relative to a target user based on user reference information of the target user and content reference information of the plurality of sets of candidate recommended content; and determining a set of target recommended content from the plurality of sets of candidate recommended content based on the recommendation score corresponding to each piece of candidate recommended content in the plurality of sets of candidate recommended content for providing to the target user.

Abstract: Disclosed are a display apparatus, and display method. The display apparatus includes a display, a control device configured to control the display apparatus and including a power key and a shortcut key for voice control, a voice receiving device configured for receiving voice content from a user and a controller, in connection with the display, the control device and the voice receiving device.